Snorkel EPV Series, Руководство оператора

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1. In the event of a con trol fail ure or other
emer gency the plat form can be low ered
us ing this valve. Turn the valve (see Fig ure
9.3) coun ter clock wise to lower the plat form
to the ground.
2. The UPPER boom will begin to lower
immediately.
3. To lower the LOWER boom operate the
lower boom control lever.
4. To SLEW while lowering operate the slew
control lever.
Note - Slewing and Lowering
Slewing, and lowering the lower boom during
bleed down from the platform must be
accomplished before the upper boom is fully
lowered.
5. The manual bleed down valve must be
closed at the completion of the operation to
ensure normal boom operation.
❑
Ground station bleed down valve
In the event of a con trol fail ure or other emer gency
the plat form can be low ered from the ground sta -
tion us ing this valve. Turn the valve, lo cated at the
rear of the col umn, (see Fig ure 9.4) coun ter clock -
wise to lower the plat form to the ground.
Figure 9.4 - Ground Emergency Lower Valve
1. Select GROUND operation on the
platform/ground selector switch at the rear of
the column.
2. Turn the valve (see Fig ure 9.4) coun ter
clock wise to lower the plat form to the
ground.
3. The UPPER boom will begin to lower
immediately.
4. To lower the LOWER boom operate the
lower boom control lever.
5. To SLEW while lowering operate the slew
control lever.
Note - Slewing and Lowering
Slewing, and lowering the lower boom during
bleed down from the platform must be
accomplished before the upper boom is fully
lowered.
6. The manual bleed down valve must be
closed at the completion of the operation to
ensure normal boom operation.
page 10 - 2 Rev A EPV Series – 1596(A)
10. Emergency Operation